Date: Wed, 28 Jun 2000 02:29:06 GMT From: "Ask The MasterTech" <Tsykesnopsamd.rr.com> Subject: Re: 94 9000CSE turbo shaking and missing at startup
Hi Mike, Could be the fuel pump check ball is getting stuck causing the fuel system to leak down during sitting causing a loss of fuel pressure. Upon the initial startup the pump takes a minute or so to get the pressure back to the fuel pressure regulator. Another possibility is that the DI cass. could have a problem with one coil not having enough fire on initial start ups. Hopefully this will help. TW <NoNamenopsame.com> wrote in message news:vnN55.275961$VR.4057490nopsam5.giganews.com... > My 94 9000 CSE Turbo appears to be missing when I first start the car. This > only happens when the car has been driven and then sits a few hours and then > is started. > > Symptoms: > > The engine shakes and there is very little power. > The car shifts at very low RPM even if you have the gas pedal to the floor. > Still no power when flooring the car. > You can put the car in neutral and rev it up and the miss either goes away > or becomes unnoticable above 3000 rpm. > The shaking stops all by itself after about 3 minutes of running, whether > driving or sitting parked. > > > What I've done: > > Replaced and re-gapped the plugs with OEM NKG plugs > Replaced the battery (I know doesn't have anything to do with this but I > needed one) > Got frustrated. > > > The dilemma > The car doesn't always do this so no mechanic has ever seen it. It rarely > does this when it is first started in the morning but does it 4 out of 7 > days during lunch time. > > Any suggesting as to where to start looking for the resolution to this??? > > Your help will be immensely appreciated. > > Mike > >
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